16506630063 has 192 divisors, whose sum is σ = 32876605440. Its totient is φ = 7949145600.

The previous prime is 16506630061. The next prime is 16506630137. The reversal of 16506630063 is 36003660561.

It is a happy number.

16506630063 is a `hidden beast` number, since 16 + 5 + 0 + 6 + 630 + 0 + 6 + 3 = 666.

It is not a de Polignac number, because 16506630063 - 2¹ = 16506630061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16506630061) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 49868808 + ... + 49869138.

It is an arithmetic number, because the mean of its divisors is an integer number (171232320).

Almost surely, 2^16506630063 is an apocalyptic number.

16506630063 is a deficient number, since it is larger than the sum of its proper divisors (16369975377).

16506630063 is a wasteful number, since it uses less digits than its factorization.

16506630063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The spelling of 16506630063 in words is "sixteen billion, five hundred six million, six hundred thirty thousand, sixty-three".